Panda3D <= 1.10.16 Deploy-Stub Stack Exhaustion via Unbounded alloca()_CVE-2026-22188

{
    "lastseen": "",
    "description": "Panda3D versions up to and including 1.10.16 deploy-stub contains a denial of service vulnerability due to unbounded stack allocation. The deploy-stub executable allocates argv_copy and argv_copy2 using alloca() based directly on the attacker-controlled argc value without validation. Supplying a large number of command-line arguments can exhaust stack space and propagate uninitialized stack memory into Python interpreter initialization, resulting in a reliable crash and undefined behavior.",
    "published": "2026-01-07T20:26:13.360Z",
    "modified": "2026-01-07T21:23:15.544Z",
    "type": "cve",
    "title": "Panda3D <= 1.10.16 Deploy-Stub Stack Exhaustion via Unbounded alloca()",
    "source": "VulnCheck",
    "references": "https://seclists.org/fulldisclosure/2026/Jan/9\nhttps://www.panda3d.org/\nhttps://github.com/panda3d/panda3d\nhttps://www.vulncheck.com/advisories/panda3d-deploy-stub-stack-exhaustion-via-unbounded-alloca",
    "id": "CVE-2026-22188",
    "bulletinFamily": "",
    "cwe": [
        "CWE-457",
        "CWE-789"
    ],
    "cvelist": null,
    "sourceData": "Panda3D Panda3D 0",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Panda3D",
    "version": "0",
    "vendor": "Panda3D",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}